NPPES file of Aug 9, 2026

Matthew Posner, MD

Anesthesiology Physician · Grand Rapids, MI

Matthew Posner, MD is an anesthesiology physician with a practice address in Grand Rapids, Michigan, and NPI 1538122601, issued on Apr 10, 2006. Check the license (Michigan 4301051435, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538122601
Name
Matthew Posner
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
4301051435 MI
157169 MA
2026-03874 NC
Self-reported in NPPES; status is on the state search
Practice location
3333 Evergreen Drive NE, Grand Rapids, MI 49525
Phone
(616) 364-4200
Enumerated
Apr 10, 2006
Record last updated
Jul 21, 2026
Fax
(616) 364-7347
Medicaid ID
4753501 MI
Medicare enrollment
Enrolled (PECOS I20051012000449); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Matthew Posner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301051435
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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Matthew Posner among 1,720 anesthesiology physician records in Michigan

Matthew Posner, MD is one of 1,720 anesthesiology physician records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 55% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1985 · median 2006 among the 1,126 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Michigan

There are 1,720 anesthesiology physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Mary Appelt, MDGrand Rapids, MI 495251386622983
  2. Christine Bernier, DOGrand Rapids, MI 495251669450367
  3. Ronald Chavez, MDGrand Rapids, MI 495251437137007
  4. James Conterato, M.D.Grand Rapids, MI 495251255328498
  5. Bret Doud, MDGrand Rapids, MI 495251154309722
  6. Betzie Duncan, MDGrand Rapids, MI 495251831178722
  7. Scot Hendrick, DOGrand Rapids, MI 495251962481846
  8. Paul Jaklitsch, MDGrand Rapids, MI 495251659359255

Common questions

What is Matthew Posner, MD's NPI number?

Matthew Posner, MD's National Provider Identifier (NPI) is 1538122601, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Posner, MD located?

The NPPES record lists a practice address at 3333 Evergreen Drive NE, Grand Rapids, MI, 49525. Phone: (616) 364-4200. Providers update this record themselves, so call before visiting.

How can I verify Matthew Posner, MD's license?

NPPES lists Michigan license number 4301051435, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.